code: def __init__(self, name, bound=False):
      self.name = name
      self.bound = bound
  
file_path: DIG/dig/ggraph/method/GraphEBM/energy_func.py
imports: import torch
  from torch import nn
  from torch.nn import functional
label_desc: Use image node_id 1 to create a new SpectralNorm object  with example: obj = SpectralNorm(name, bound)